Taxonomy and geographic distribution of Malagasy frogs of the Gephyromantis asper clade, with description of a new subgenus and revalidation of Gephyromantis ceratophrys. pp. 77-98 plus Supplementary material.

Statistical differences and biological implications: a comparative analysis of the advertisement calls of two Andean stream treefrogs (Hylidae: Hyloscirtus) and the evolution of acoustic characters. pp. 237-244.